Blower head assembly



FIG. 1 is a right side elevational view of the blower head assembly;

FIG. 2 is a left side elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a bottom plan view;

FIG. 5 is a front end elevational view; and,

FIG. 6 is a rear end elevational view. 

The ornamental design for an blower head assembly, as shown and described. 